Application analysis of stainless steel capillary tube

The maintenance of stainless steel pipes of different materials in practical application is also very necessary. With the production technology of high-end precision stainless steel materials, more and more precision stainless steel pipe production lines are constantly put into the market and widely used in aerospace, machinery, electronics and other precision components.

Stainless steel capillary tube is divided into stainless steel welded capillary tube and stainless steel precision seamless tube, and precision double-sided gun light tube, especially double-sided polishing tube, the required precision and production technology is very harsh! The following is the maintenance analysis of stainless steel capillary in practical application as follows:

1. In the stainless steel capillary in the harsh environment, and the stainless steel material is not very good, such as 201 material. Every half a month on the stainless steel coil cloth to wipe the dust;

2 stainless steel coil process determines its limited performance, the general seamless steel tube accuracy is low: uneven wall thickness, low brightness of the inner surface of the tube, high measuring cost, and the inner surface of the pitting spot, black spot is not easy to remove; It can be washed with water.

3. The detection and shaping of stainless steel coil must be handled off-line. Therefore, it shows its superiority in high pressure, high strength and mechanical structure materials. Stainless steel coil must not be scrubbed with alcohol!

4. The material of stainless steel coil has elastic and plastic strain under the action of flow force. If the stress is large enough, the stainless steel coil will lead to fracture. Clean up the stainless steel coil attention force; Pay attention to interfaces. Especially the welded pipe, there will be such a phenomenon, to be a good control of the flow line is very necessary and timely!

5. Do not let the coil catch to the acid medium, encounter acid medium, stainless steel will corrode! This relative with 201 material is qualitative, because of material itself high anti-corrosion ability is not enough, so want to meet a strong corrosion resistance under the condition of attention, in fact, in the actual process of material selection, will be chosen in different environment should choose different material of capillary coil, in the 310S under high temperature and high pressure is preferred, strong has good resistance to corrosion, high temperature resistant, The 316L stainless steel capillaries are well resistant to seawater. The 304 material is normally used in natural environments.

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